Unit 3 Sports and fitness period 3 Discovering useful structures（ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Sports and fitnessPeriod 3(Discovering useful structures)1.To review some sentence structures2.To learn about tag questions3.To learn how to use tag questions to make dialoguesLearning aimsLead in疑问句类型疑问句类型1.一般疑问句一般疑问句 e.g.Do you like English?2.特殊疑问句特殊疑问句 e.g.Who runs fastest in the world?3.选择疑问句选择疑

2、问句 e.g.Would you like tea or coffee?4.附加疑附加疑问句问句 e.g.It is a beautiful day,isnt it?It is a beautiful day,isnt it?附加疑问句亦即反意疑问句=陈述句+简短疑问句结构一：前肯，+后否结构二：前否，+后肯 It is a beautiful day,isnt it?It isnt a beautiful day,is it?1.He is fond of English,isnt he?2.They arent fond of English,are they?3.She wasnt de

3、termined to learn English,was she?4.They were determined to learn English,werent they?1.Your brother likes English,doesnt he?2.Li Lei and Li Hua dont like Japanese,do they?3.His sister didnt give up English,did she?4.We determined to learn English,didnt we?1.The boy can learn English well,cant he?2.

4、You cant speak Japanese,can you?3.Kate wont give up English,will she?4.Our class have learned English,havent we?结构一：肯定陈述句，+be/助v./情态v.否定式+主语（人称代词）结构二：否定陈述句，+be/助v./情态v.+主语（人称代词）附加疑问句亦即反意疑问句=陈述句+简短疑问句Summary They are able to speak English fluently,They have the ability to speak English fluently,They

5、can speak English fluently,He wasnt fond of English,He didnt like English,He couldnt speak English fluently,arent they?dont they?cant they?was he?did he?could he?1.判定2.找动3.换代判断该用肯定还是否定找句子的动词：be用be,动词原形do，三单does，过去did，完成have,情态基本不变将主语换为代词How to make a tag question1.The man is your father,_?2.You are

6、not students,_?3.Her mother likes painting,_?4.I didnt go to school late this morning,_?5.He has read the book,_?6.You havent finished your work,_?7.Tim can dance very well,_?8.Two of his friends will come to your party,_?isnt heare you doesnt shedid Ihasnt hehave youcant hewont theyQuizAttention!Sh

7、e never tells a lie,does she?He was hardly ever late last year,was he?Neither of them can understand what you said,can they?Jane has few friends at school,does she?Nothing is new in the magazine,is it?1.肯否的确定She dislikes Japanese,doesnt she?He was unhappy yesterday,wasnt he?It is impolite to talk lo

8、udly in the public,isnt it?Taking photos here is illegal,isnt it?What you said just now was incorrect,wasnt it?1.He never gets to school late,_ he?2.Summy ate nothing for breakfast this morning,_she?3.It is impossilbe for him to give up smoking,it?4.There is little milk in the fridge,_there?5.She wa

9、s uncomfortable those days,_she?PracticedoesdidisntiswasntAttention!2.动词的确定You never told us why you didnt pass the exam,did you?I dont think she cares,does she?They were absent yesterday,but Mary wasnt,was she?What a good day(it is),isnt it?How clever a boy he is,isnt he?What beautiful clothes(they

10、 are),arent they?Please close the window,will you?Dont take photos in the meeting room,will you?Lets start early in the morning,shall we?Let us/me know your new address,will you?She used to live in London,didnt she?You must be very excited,arent you?You must have waited here for a long time,havent y

11、ou?1.I dont think she will agree with us,_?2.She must have learnt Spanish last year,_?3.Dont draw on the wall,_?4.What a cute girl,_?5.Lets go hiking together,_?6.Let us go hiking together,_?Practicewill shehasnt shewill youisnt sheshall wewill youNothing is impossible if you put your heart into it,

12、is it?What he said just now is reasonable,isnt it?Sleeping in class isnt allowed,is it?To see is to believe,isnt it?Attention!3.附加疑问句主语的确定This/That is Toms textbook,isnt it?These/Those are your books,arent they?I am supposed to be here,arent I?Everyone knows that writer,dont they/doesnt he?Nobody li

13、kes being looked down upon,do they/does he?There is little water left,is there?1.There will be an exam soon,_?2.Nobody were here,_?3.What you did made a difference to them,_?4.These books are very expensive,_?5.Eating too much meat is not beneficial,_?6.I am a lucky dog,_?wont therewere theydidnt it

14、arent theyis itarent IPracticeAttention!4.附加疑问句的回答English isnt so difficult,is it?No,it isnt.Yes,it is.Shangmei is a beautiful school,isnt it?Yes,it is.No,it isnt.不,它难.是的,它不难.事实上是肯定的，就用Yes+肯定结构 事实上是否定的，就用No+否定结构1.There is a tree in the picture,isnt there?Yes,there is.2.You can see some faces,cant yo

15、u?Yes,I can.3.The tree isnt brown,is it?No,it isnt.把下列句子变为附加疑问句1.He hoped she could continue the family tradition,?2.The lady couldnt say a word when she saw the snake,?3.Miss Cheng will never forget her first visit to Mount Tai,?4.The boy has to stay at home to look after his little sister,?5.Nothi

16、ng is difficult in the world if you put your heart into it,?didnt hecould shewill shedoesnt he/sheis itExercise6.The ability to express an idea is as important as the idea itself,?7.The students in Class Two are watching an English video at present,?8.Your brother has already learned 2,000 English w

17、ords since last year,?9.Dont go near the bank of the river because it is dangerous,?10.You were having an important meeting this time yesterday,?11.There will be an exam soon,_?hasnt hewill youwerent you isnt itarent theywont thereMake a dialogueA:She is a beautiful girl,isnt she?B:Yes,she is.A:Ever

18、yone likes her,do they?B:No,they dont.EXAMPLE:陈述句陈述句附加疑问句附加疑问句be 动词动词be 动词动词情态动词情态动词情态动词情态动词实义动词实义动词借助助动词借助助动词do,does,did回答回答:事实事实上是上是肯定肯定的就用的就用Yes+肯定结构肯定结构；事实事实上是上是否定否定的就用的就用No+否定结构否定结构.Tips1.判定：肯否定?2.找动：确定谓语动词的类型3.换代：将主语转换为相应的代词Summary1.Review the language points.2.Finish the exercise on your workbook.NoImage